properties of water

Question 1

density

Answer 1

• allows organisms to float

- ponds are insulated against extreme cold

Question 2

solvent

Answer 2

• molecules and ions can move around in cytoplasm

- molecules can be moved around in water

Question 3

cohesion and surface tension

Answer 3

> water molecules are cohesive dues to hydrogen bonds
press together to cause surface tension
- pond skaters can swim on water
- columns of water in plants are pulled up

Question 4

high specific heat capacity

Answer 4

• need a lot of energy to increase their kinetic energy

- living things need a stable temperature

Question 5

hsbc’s swiss

Answer 5

hahsbsvsv